Back to results
US 2019/0296607 A1Published application
Micro fan
AssigneeDelta Electronics, Inc.
InventorsChin-Chun LAI, Kun-Fu CHUANG, Chao-Wen LU
Life of this patent
Estimating the term…
Abstract
A micro fan is provided. The micro fan includes a rotor and a stator. The stator includes a plurality of axial induced coil units and a circuit board. The axial induced coil units are respectively preformed as a plurality of stator magnetic pole units, and are coupled to the circuit board. At least one of the coil units includes a coil and insulation material. The insulation material is block-shaped and covers at least a portion of the coil, and the central axis of the coil is parallel to the shaft of the rotor.
Claims5
A micro fan, comprising:
- a rotor;
- and
- a stator, comprising a plurality of axial induced coil units and a circuit board, wherein the axial induced coil units are respectively preformed as a plurality of stator magnetic pole units, and are coupled to the circuit board,
- wherein at least one of the axial induced coil units comprises a coil and an insulation material, the insulation material is block-shaped and covers at least a portion of the coil, a central axis of coil is parallel to a shaft of the rotor, wherein at least one of the axial induced coil units is made by the following steps:
- forming the coil;
- putting the coil on a lead frame;
- covering the coil and a portion of the lead frame with the insulation material;
- and
- cutting off the lead frame.
6 more elements
Dependencies are inferred from the claim text.